//
//  UIViewController+BackButtonHandler.h
//  bestkeep
//
//  Created by Canny on 2017/4/8.
//  Copyright © 2017年 utouu. All rights reserved.
//

#import <UIKit/UIKit.h>

@protocol BackButtonHandlerProtocol <NSObject>

@optional

-(BOOL)navigationShouldPopOnBackButton;

@end

@interface UIViewController (BackButtonHandler) <BackButtonHandlerProtocol>

@end
